必需品: daily commodityessential commoditiesessential commodityessential goodsestoversindispensablematerialnece itynecessariesnecessary wantsnecessitiesnecessity goodsnecessity n. something that i
生活必需品: bread and butterconvenienceconveniencydaily necessitiesdaily necessitylife necessitylife's necessitiesnecessaries of lifenecessarynecessity for lifenecessity of liferequisite for lifethe b